Question

write sources of noise pollution?

Answer 1

domestic gadgets like mixer grinder heater air conditioner desert coolers pressure cookers traffic honks of buses.....
speakers etc..

Answer 2

$\textbf{\underline{\underline{Sources\:Of\:Noise\:Pollution:}}}$

$\implies$ Noise Is produced by both people and 'the machines'. Some of the sources of noise pollution,that we are quite familiar with,are listed below :

$\star$ The use of various types of appliances and gadgets in homes, such as mixer,grinder,vacuum cleaner, lawn mower, television set and music system(at high volumes), often creates noise and that too at quite a high level.

$\star$ Street Noise,Traffic Noise, Public Transport, playgrounds,shopping malls and market places,loud speakers in social functions,and so on,quite often cause Noise Pollution.

$\star$ Small factories/large manufacturing units and construction equipments,often cause unpleasant sounds of quite high loudness level. This is because they often use a large number of machines.